The pros and cons of the earphones are
Pros
The headphones are clear and can be used elsewhere even like laptops, computers, pods etc
The earphones are cheap and easily available at any mobile accessory shop
Cons
Since the earphones are cheap you cannot expect much from them.
After a few while the jack of the earphone gets hampered and the cost of repair itsel is higher than the cost of the headphone.
The wiring of the earphones are not upto the mark and often one side of the earphone becomes useless.